Suppose you're taking the written test for your driver's license and you get
of the questions correct. The proctor of the test said that you needed to get at least 70% of the questions right in order to pass. Do you think you passed the test for your driver's license? Do you know how to convert
to a percent? What if you had to convert a decimal to a percent, a percent to a decimal, or a percent to a fraction? Could you do it? After completing this Concept, you'll be able to!

Example B

Example C

Express
as a percent.

We start by representing the unknown as
or
.

Guided Practice

Express 75% as a reduced fraction.

Solution:

75% means
We just need to reduce it:

Practice

Sample explanations for some of the practice exercises below are available by viewing the following video. Note that there is not always a match between the number of the practice exercise in the video and the number of the practice exercise listed in the following exercise set. However, the practice exercise is the same in both.
CK-12 Basic Algebra: Percent Problems
(14:15)